1. Which planet is the largest in our solar system?

2. What natural phenomenon is measured by the Richter scale?

3. What does the 'c' stand for in Einstein's famous equation $E=mc^2$?

4. What is the primary function of the Higgs field in the universe?

5. Approximately how many years after the Big Bang was the light of the CMB released?

6. Which famous experiment demonstrated that electrons behave as both waves and particles?

7. Dark matter is estimated to make up approximately what percentage of the total universe?

8. Does time pass faster or slower in a stronger gravitational field compared to a weaker one?

9. What three phases of matter coexist at the triple point?

10. What is the name of the 'hidden' region of the sky that made discovering the Great Attractor difficult?

11. Why are neutrinos often referred to as 'ghost particles'?

12. What three states of matter coexist at the triple point?

13. What did Albert Einstein famously call quantum entanglement?

14. What is the approximate solar mass limit for a stable white dwarf?

15. What does the Tsiolkovsky Rocket Equation primarily calculate?

16. What did Einstein call the phenomenon of quantum entanglement?

17. What did the term “Planet X” originally describe in early 20th-century astronomy?

18. If Planet Nine exists, astronomers estimate it may be approximately how massive compared to Earth?

19. What is the Kuiper Belt primarily composed of?

20. In conspiracy theories, Nibiru is often described as what type of object?